diff options
Diffstat (limited to 'arch/h8300/mm/kmap.c')
-rw-r--r-- | arch/h8300/mm/kmap.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/h8300/mm/kmap.c b/arch/h8300/mm/kmap.c new file mode 100644 index 0000000..5c7af09 --- /dev/null +++ b/arch/h8300/mm/kmap.c @@ -0,0 +1,60 @@ +/* + * linux/arch/h8300/mm/kmap.c + * + * Based on + * linux/arch/m68knommu/mm/kmap.c + * + * Copyright (C) 2000 Lineo, <davidm@snapgear.com> + * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com> + */ + +#include <linux/mm.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> + +#include <asm/setup.h> +#include <asm/segment.h> +#include <asm/page.h> +#include <asm/pgalloc.h> +#include <asm/io.h> +#include <asm/system.h> + +#undef DEBUG + +#define VIRT_OFFSET (0x01000000) + +/* + * Map some physical address range into the kernel address space. + */ +void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag) +{ + return (void *)(physaddr + VIRT_OFFSET); +} + +/* + * Unmap a ioremap()ed region again. + */ +void iounmap(void *addr) +{ +} + +/* + * __iounmap unmaps nearly everything, so be careful + * it doesn't free currently pointer/page tables anymore but it + * wans't used anyway and might be added later. + */ +void __iounmap(void *addr, unsigned long size) +{ +} + +/* + * Set new cache mode for some kernel address space. + * The caller must push data for that range itself, if such data may already + * be in the cache. + */ +void kernel_set_cachemode(void *addr, unsigned long size, int cmode) +{ +} |